a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
body {
  background-color: #fff;
}
.container-fluid {
  .container {
    position: relative;
  }
}
.banner-contianer {
  position: relative;
  width: 100%;
  height: 100%;
}
.banner-text-wrap {
  padding: 10px 30px 30px 30px;
  position: absolute;
  left: 0;
  top: 40px;
  z-index: 20;
  width: 55%;
  color: #fff;
  .title {
    font-size: 60px;
  }
  .desc {
    font-size: 26px;
  }
}
.banner-ipt-wrap {
  padding: 10px 30px 30px 30px;
  position: absolute;
  right: 0;
  top: 300px;
  width: 380px;
  height: 320px;
  background: hsla(0, 0%, 100%, 0.9);
  border-radius: 15px;
  z-index: 20;
  .price {
    text-align: center;
    font-size: 30px;
    color: #9fa0a0;
    font-weight: 500;
  }
  .old {
    text-decoration: line-through;
  }
  .now {
    font-size: 60px;
    font-weight: 700;
    color: #ed6c00;
  }
  .desc {
    color: #3e3a39;
  }
  .title {
    font-size: 36px;
    color: #3e3a39;
    font-weight: 500;
    text-align: center;
  }
  .ipt {
    background-color: #fff;
    border-radius: 5px;
    height: 34px;
    font-size: 16px;
    color: #000;
    width: 100%;
    background: #fff
      url()
      no-repeat 10px center;
    background-size: 14px auto;
    padding-left: 30px;
    margin: 20px 0;
    overflow: hidden;
    input {
      background-color: #fff;
      border: 0;
      line-height: 34px;
      outline: 0;
      display: block;
      width: 100%;
      padding-left: 10px;
    }
  }
  .submit-btn {
    color: #fff;
    background: #90c657;
    line-height: 50px;
    width: 270px;
    text-align: center;
    border-radius: 50px;
    font-size: 22px;
    margin: 0 auto;
  }
}
.project-head {
  text-align: center;
  padding: 30px 0;
  p {
    margin-bottom: 0;
  }
}
.project_head-icon {
  display: block;
  margin: 0 auto;
  &.head-idea {
    width: 131px;
    height: 145px;
    background: url(../../imgs/tl-icon-idea.gif) no-repeat;
    background-size: 100% auto;
  }
  &.head-work {
    width: 143px;
    height: 124px;
    background: url(../../imgs/tl-icon-work.gif) no-repeat;
    background-size: 100% auto;
  }
  &.head-coding {
    width: 170px;
    height: 96px;
    background: url(../../imgs/tl-icon-coding.gif) no-repeat;
    background-size: 100% auto;
  }
  &.head-step {
    width: 160px;
    height: 146px;
    background: url(../../imgs/tl-icon-grasp.gif) no-repeat;
    background-size: 100% auto;
  }
  &.head-damuge {
    width: 160px;
    height: 146px;
    background: url(../../imgs/tl-icon-grasp.gif) no-repeat;
    background-size: 100% auto;
  }
  &.head-c {
    width: 160px;
    height: 146px;
    background: url(../../imgs/course/4-c.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-dash {
    width: 160px;
    height: 146px;
    background: url(../../imgs/course/1-5dash.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-python {
    width: 160px;
    height: 146px;
    background: url(../../imgs/course/3-python.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-sc {
    width: 160px;
    height: 146px;
    background: url(../../imgs/course/2-cratch.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-sc-body {
    width: 160px;
    height: 146px;
    background: url(../../imgs/course/sc/coursetl.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-kc-1 {
    width: 131px;
    height: 145px;
    background: url(../../imgs/tl-kc-1.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-kc-2 {
    width: 131px;
    height: 145px;
    background: url(../../imgs/tl-kc-2.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-study{
    width: 131px;
    height: 145px;
    background: url(../../imgs/course/xuexi.png) no-repeat;
    background-size: 100% auto;
  }
  &.head-woshou{
    width: 100px;
    height: 82px;
    background: url(../../imgs/woshou.png) no-repeat;
    background-size: 100% auto;
  }
}
.project_head-title {
  font-size: 36px;
  margin: 20px 0 20px 0;
  color: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
}
.project_head-title:before {
  content: "";
  display: inline-block;
  width: 48px;
  height: 60px;
  // margin-right: 5px;
  color: #88bc56;
  background: url(../../imgs/arrow.png) no-repeat center center;
  background-size: 30px auto;
  transform: rotate(180deg);
}

.project_head-title:after {
  content: "";
  display: inline-block;
  width: 48px;
  height: 60px;
  // margin-left: 5px;
  color: #88bc56;
  background: url(../../imgs/arrow.png) no-repeat center center;
  background-size: 30px auto;
}

.project_head-tip {
  font-size: 30px;
  color: #9fa0a0;
}
.section_common-btn {
  width: 462px;
  height: 64px;
  font-size: 32px;
  color: #fff;
  background-image: linear-gradient(90deg, #3591c2, #8bae46);
  border: none;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 40px;
  box-sizing: border-box;
  margin: 30px auto 40px auto;
  cursor: pointer;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}
.section_common-btn:hover {
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border: 2px solid #8bae46;
}
.tab_content-item,
.common_card-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  .card {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
    border-top: none;
    cursor:pointer;
  }
  .card-title {
    text-align: center;
    font-size: 30px;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .card-desc {
    text-align: center;
  }
  .card-desc {
    font-size: 20px;
    color: rgba(0, 0, 0, 0.6);
    padding: 10px 0;
    margin-bottom: 0;
  }
  .card-bottom {
    display: flex;
    height: 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
    align-items: flex-end;
    justify-content: space-between;
  }
  .card-icon {
    padding-left: 30px;
    font-size: 16px;
    color: rgba(0, 0, 0, 0.8);
  }
  .card-comment {
    background: url(../../imgs/view-ico.png) no-repeat;
    background-size: auto 100%;
  }
  .card-star {
    background: url(../../imgs/star-ico.png) no-repeat;
    background-size: auto 100%;
  }
}

/*首页  关于我们的通用样式*/
.web_section-list {
  margin-top: 150px;
  padding-bottom: 80px;
}
.web-section {
  position: relative;
  padding-bottom: 20px;
  display: flex;
  margin-bottom: 180px;
  &:last-child() {
    margin-bottom: 20px;
  }
}
.web-num {
  font-size: 200px;
  color: rgba(255, 255, 255, 0.7);
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.1);
  position: absolute;
  top: -50px;
  line-height: 100px;
  // position: relative;
  z-index: 100;
}

.intro-imgs {
  width: 1160px;
}
.web_section-lt {
  justify-content: left;
  padding-bottom: 60px;
  .web-num {
    left: 0;
  }
  .intro-content {
    right: 0;
  }
  .intro-imgs {
    margin-left: 65px;
  }
}
.web_section-rt {
  justify-content: flex-end;
  padding-bottom: 60px;
  .web-num {
    right: 0;
  }
  .intro-imgs {
    margin-right: 65px;
  }
  .intro-content {
    left: 0;
  }
}
.intro-content {
  background: #90c657;
  width: 540px;
  height: 500px;
  padding: 60px;
  position: absolute;
  bottom: -20px;
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.3);
}
.web-section .intro-tl {
  color: #fff;
  margin-bottom: 30px;
  font-size: 30px;
}
.intro-list {
  color: #fff;
  .intro-item {
    border-radius: 1px;
    border-left: 1px solid #fff;
    padding: 5px 10px;
    color: #fff;
    &.open {
      border-left: 5px solid #fff;
      margin-left: -2px;
      border-radius: 2px;
      .intro_item-content {
        transition: display 1s ease-in 1s;
        display: block;
      }
    }
  }
  .intro_item-tl {
    font-size: 20px;
    padding-bottom: 5px;
    cursor: pointer;
  }
  .intro_item-content {
    font-size: 14px;
    text-align: justify;
    display: none;
  }
}
.intro-item .intro-text .wrap .opened {
  border-left: 5px solid #fff;
  margin-left: -2px;
  border-radius: 2px;
}

.white-bg {
  background: #fff !important;
}
.flex-center {
  display: flex;
  justify-content: center;
}
.flex-centers {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
}

.section_tab-list {
  display: flex;
  justify-content: space-between;
  .tab-item {
    width: 16.25767%;
    padding: 15px 0;
    color: #7fbe46;
    border: 3px solid #7fbe46;
    font-size: 24px;
    border-radius: 40px;
    box-sizing: border-box;
    text-align: center;
    cursor: pointer;
  }
  .tab-item:hover {
    background-color: #7fbe46;
    color: #fff;
  }
  .active {
    background-color: #7fbe46;
    color: #fff;
  }
}
.tab-content {
  margin-top: 50px;
}

@media (min-width: 768px) {
  .container .navbar-nav .nav-link {
    font-size: 16px;
    margin-right: 20px;
  }
  .intro-imgs {
    width: 560px;
  }
  .intro-content {
    padding: 20px;
    width: 420px;
    height: 350px;
  }
  .section_tab-list .tab-item{
    font-size: 16px;
    padding:8px 0;
  }
  .tab_content-item .card-title, .common_card-list .card-title{
    font-size: 18px;
  }
  .card-text{
    font-size: 14px;
    height: 118px;
  }
}

@media (min-width: 992px) {
  .intro-imgs {
    width: 760px;
  }
  .intro-content {
    padding: 40px;
    width: 420px;
    height: 420px;
  }
  .navbar-nav .nav-link {
    font-size: 16px;
    margin-right: 20px;
  }
  .container .navbar-nav .nav-link {
    font-size: 20px;
    margin-right: 50px;
  }
  .section_tab-list .tab-item{
    font-size: 18px;
    padding:10px 0;
  }
  .tab_content-item .card-title, .common_card-list .card-title{
    font-size: 20px;
  }
  .card-text{
    font-size: 16px;
    height: 118px;
  }
}

@media (min-width: 1200px) {
  .intro-imgs {
    width: 960px;
  }
  .section_tab-list .tab-item{
    font-size: 22px;
    padding:12px 0;
  }
  .tab_content-item .card-title, .common_card-list .card-title{
    font-size: 24px;
  }
  .card-text{
    font-size: 18px;
    height: 118px;
  }
}

@media (min-width: 1600px) {
  .container {
    max-width: 100%;
    padding: 0 150px;
  }
  .intro-imgs {
    width: 1160px;
  }
  .intro-content {
    background: #90c657;
    width: 540px;
    height: 500px;
    padding: 60px;
    position: absolute;
    bottom: -20px;
  }
  .section_tab-list .tab-item{
    font-size: 30px;
    padding:15px 0;
  }
  .tab_content-item .card-title, .common_card-list .card-title{
    font-size: 30px;
  }
  .card-text{
    font-size: 18px;
    height: 80px;
  }
}
